Hotel communication systems and methods

A non-transitory computer-readable storage medium having stored thereon instructions that, when implemented by a computing device, cause the computing device to perform operations for communicating with a hotel, the operations comprising:

• receiving, via a network interface of a mobile communication device comprising one or more processors, a guest service application;
• pre-registering a guest at the hotel by forwarding, via the network interface, guest data received via the guest service application;
• receiving, via the network interface, guest registration data and one or more private branch exchange (PBX) extensions from a mobile device interface system in response to the guest registering at the hotel;
• configuring, via the one or more processors, the guest service application using the guest registration data and the one or more PBX extensions;
• displaying, on a display of the mobile communication device, via the guest service application, plurality of keys each associated with one of the one or more PBX extensions, the plurality of keys displayed according to a priority;
• establishing a phone call as an extension of the PBX based on a selection of a key of the plurality of keys;
• and
• deactivating the guest service application ability to place and receive phone calls in response to receiving a termination of registration confirmation, wherein deactivating the guest service application ability to place and receive phone calls includes removing the guest registration data and the one or more PBX extensions from the guest service application.